1JBJ

CD3 Epsilon and gamma Ectodomain Fragment Complex in Single-Chain Construct

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	HNCA,HN(CO)CA,HN(CA)CB,HN(COCA)CB,HNCO,HN(CA)CO	U-15N,13C,2D; 5 mM sodium acetate, pH 4.5	90% H2O/10% D2O	5 mM sodium acetate	4.5	ambient	298
2	2D-NOESY,2D-TOCSY	unlabeled; 5 mM sodium acetate, pH 4.5	100% D2O	5 mM sodium acetate	4.5	ambient	298
3	H(CCO)NH	U-15N,13C, U-70% 2D; 5 mM sodium acetate, pH 4.5	90% H2O/10% D2O	5 mM sodium acetate	4.5	ambient	298
4	15N-NOESYHSQC,TOCSY	U-15N; 5 mM sodium acetate, pH 4.5	90% H2O/10% D2O	5 mM sodium acetate	4.5	ambient	298
5	13C-NOESYHSQC,TOCSY	U-13C; 5 mM sodium acetate, pH 4.5	100% D2O	5 mM sodium acetate	4.5	ambient	298
6	13C-HSQC	U-10% 13C; 5 mM sodium acetate, pH 4.5	100% D2O	5 mM sodium acetate	4.5	ambient	298
7	15N-HSQC,HNHA,HNHB	U-15N; 5 mM sodium acetate, pH 4.5	90% H2O/10% D2O	5 mM sodium acetate	4.5	ambient	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE	500
2	Varian	INOVA	750
3	Varian	INOVA	500

NMR Refinement
Method	Details	Software
simulated annealing	calculated using 1623 NOE restraints, 105 H-bond restraints, and 194 dihedral angle restrints	PROSA

NMR Ensemble Information
Conformer Selection Criteria	structures with the least restraint violations
Conformers Calculated Total Number	20
Conformers Submitted Total Number	18
Representative Model	12 (lowest energy)

Additional NMR Experimental Information
Details	The structure was determined using triple-resonance NMR spectroscopy. Structures are superimposed based on backbone atoms from residues 7 to 79 and 113 to 184.

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	processing	PROSA	3.7	Guntert
2	data analysis	XEASY	1.3.13	Bartels
3	structure solution	DYANA	1.4	Guntert
4	structure solution	X-PLOR	3.1	Brunger
5	refinement	X-PLOR	3.1	Brunger